Hi,
May we know the model of your tablet so we can assist you better? Does it use Windows as its operating System? Please do try these steps on how to uninstall the graphics card driver from your tablet if it uses Windows.
- Open Device Manager and expand Display Adapters and it will drop down the graphics driver you're using. (AMD, Intel or Nvidia).
- Right click on it and select uninstall.
- Then next is to open Programs and Features then uninstall any software related to the graphics card driver.
- That's the complete step to uninstall the graphics driver but if you want to reinstall it you can always get the driver from the manufacturer site of the tablet and download and install it from there.